Direct flights from Houston to Seattle
All flights from HOU to SEA non-stop. There are direct flights from William P. Hobby Airport (HOU), Texas, USA to Seattle Tacoma International (SEA), Washington, USA with Southwest Airlines. 7 weekly departures are currently scheduled on this route. Departure times range from 09:30 to 21:30 depending on the schedule period. The flight distance is 1903 miles (3062 km). Flight time ranges from 4 hours and 35 minutes to 4 hours and 45 minutes.
Houston
, USA
Flight schedule from Houston to Seattle with Southwest Airlines
This is a weekly direct flight schedule for Southwest Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2026-06-29
Houston to Seattle scheduled departures
Select a date to see every published non-stop departure between HOU and SEA.
HOU - SEA route facts
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Distance1903 miles (3062 km)
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Flight time4 hours and 35 minutes to 4 hours and 45 minutes
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Airline Southwest
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Airline alliancesLow-cost carrier
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CabinsEconomy
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AircraftBoeing 737-700 Passenger (Scimitar Winglets) , Boeing 737-800 (winglets) Passenger/BBJ2 and Boeing 737MAX 8 Passenger
Route FAQ
Nearby airports that offer flights to Seattle (SEA)
From Houston Airport (IAH)
43 flights per week
